The build actually works locally in Unity / Xcode on my mac, even with the null framework. I guess Xcode ignores it. It fails though in my Github Actions CI pipeline with Game-CI (Deploy to the App Store | GameCI). Unity Build is on ubuntu-latest (Ubuntu 20.04.4 LTS). Fastlane deploy is from macOS-latest (macOS 11.6.7 20G630). Xcode_13.2.1. Unity 2021.3.1f1. ARDK 1.3.1.
Framework list showing the ‘null’ framework. Can be deleted but just gets regenerated each build: